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Aetherial Islands
This world generation datapack seeks to redefine the standards for floating island generation. The typical floating island generation tends to be large fragmented land masses. Not to mention they don't have hills, rivers, or oceans. But this one does by rethinking 3d noise.
With this datapack, you'll be able to experience soaring islands, with rivers and mountains. Flat plains and caves. Structures on rolling hills, and more.
All of the structures and biomes generate with this world type, as they should.
However, you may get issues with some structures generating in the void, but...
Also checkout
- No Void Structures a mod that stops any weirdness with structures generating broken and cut off in the void.
- Diabolical Islands a mod that brings the Aetherial Island generation to the Nether!
- Angel Islands a mod that changes the normal overworld to include Aetherial Islands when in deep ocean biomes!
- Skylands over the Sea a mod that replaces the void in Aetherial Islands with an infinite ocean.
- Aetherial Islands: Clusters Edit an add-on that creates zones where islands will and won't generate, creating large gaps between island clusters
Compatibility: Does this work with insert mod name here?
If that mod changes the terrain, one of the mods will probably overwrite the other. If that mod adds biomes, it should be compatible, but if you have issues with bodies of water not generating, use the optional dependency, Lithostitched. This is just because of the tricky technique I had to use to make this, along with Minecraft's weirdness with surface builders. Some issues may need specific compatibility packs made, which I may make in the future.
Sponsor: Sparked Host
All Versions
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[2.0.2+mod] [MOD 1.20-1.21.11] Aetherial Islands 2.0.2
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.11 support
- Cold biomes (taiga, stony shores) were overridden to change the height where it snows. This has now been removed for vanilla; using Lithostitched will keep the height modification for snow.
[2.0.2] [DP 1.20-1.21.11] Aetherial Islands 2.0.2
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.11 support
- Cold biomes (taiga, stony shores) were overridden to change the height where it snows. This has now been removed for vanilla; using Lithostitched will keep the height modification for snow.
[2.0.1+mod] [MOD 1.20-1.21.10] Aetherial Islands 2.0.1
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.9+ support
[2.0.1] [DP 1.20-1.21.10] Aetherial Islands 2.0.1
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.9+ support
[2.0.0+mod] [MOD 1.20-1.21.8] Aetherial Islands 2.0.0
by Klinbee on Oct 13, 2026
Download
- Changes:
- Adjusted island shape to be smoother in general
- Updated license, desc.
- Changed namespace from
skylands->aetherial_islands - Note: this makes it incompatible with previous worlds (hence
2.0.0)
[2.0.0] [DP 1.20-1.21.8] Aetherial Islands 2.0.0
by Klinbee on Oct 13, 2026
Download
- Changes:
- Adjusted island shape to be smoother in general
- Updated license, desc.
- Changed namespace from
skylands->aetherial_islands - Note: this makes it incompatible with previous worlds (hence
2.0.0)
[1.0.6+mod] [MOD 1.20-1.21.8] Aetherial Islands 1.0.6
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.5+ support
[1.0.6+mod] [1.20-1.21.6] Aetherial Islands 1.0.6 [MOD]
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.5-1.21.6 support
[1.0.6] [DP 1.20-1.21.8] Aetherial Islands 1.0.6
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.5+ support
[1.0.5+mod] [1.20-1.21.4] Aetherial Islands 1.0.5 [MOD]
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.4 support
[1.0.5] [1.20-1.21.4] Aetherial Islands 1.0.5 [DP]
by Klinbee on Oct 13, 2026
Download
- Changes:
- 1.21.4 support
[1.0.4+mod] [1.20-1.21.3] Aetherial Islands 1.0.4 [DP]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- 1.21.2+ Exclusive Fixes
- Aquatic mobs would never be able to spawn
- Rivers/Oceans had inappropriate snow start height
[1.0.4] [1.20-1.21.3] Aetherial Islands 1.0.4 [DP]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- 1.21.2+ Exclusive Fixes
- Aquatic mobs would never be able to spawn
- Rivers/Oceans had inappropriate snow start height
[v1.0.3+mod] [1.19-1.19.3] Aetherial Islands v1.0.3 [MOD]
by Klinbee on Oct 13, 2026
Download
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.3+mod] [1.19.4] Aetherial Islands v1.0.3 [MOD]
by Klinbee on Oct 13, 2026
Download
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.3+mod] [1.20-1.21.1] Aetherial Islands v1.0.3 [MOD]
by Klinbee on Oct 13, 2026
Download
- Additions:
- Optional Lithostitched surface rules for better compatibility with other mods
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.3] [1.20-1.21.1] Aetherial Islands v1.0.3 [DP]
by Klinbee on Oct 13, 2026
Download
- Additions:
- Optional Lithostitched surface rules for better compatibility with other mods
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.3] [1.19.4] Aetherial Islands v1.0.3 [DP]
by Klinbee on Oct 13, 2026
Download
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.3] [1.19-1.19.3] Aetherial Islands v1.0.3 [DP]
by Klinbee on Oct 13, 2026
Download
- Changes:
- My name from Quidvio -> Klinbee
- Fixes:
- Water Generation in Ocean Biomes no longer spreads to terrain
[v1.0.2+mod] [1.20-1.21] Aetherial Islands v1.0.2 [MOD]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- Trail Ruins are no longer less common
- Bamboo no longer stacks on itself
[v1.0.2+mod] [1.20-1.20.6] Aetherial Islands v1.0.2 [MOD]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- Trail Ruins are no longer less common
- Bamboo no longer stacks on itself
[v1.0.2+mod] [1.20-1.20.5] Aetherial Islands v1.0.2 [MOD]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- Trail Ruins are no longer less common
- Bamboo no longer stacks on itself
[v1.0.2+mod] [1.19-1.19.3] Aetherial Islands v1.0.2 [MOD]
by Klinbee on Oct 13, 2026
Download
## Initial Release
[v1.0.2+mod] [1.19.4] Aetherial Islands v1.0.2 [MOD]
by Klinbee on Oct 13, 2026
Download
## Initial Release
[v1.0.2] [1.19-1.19.3] Aetherial Islands v1.0.2 [DP]
by Klinbee on Oct 13, 2026
Download
## Initial Release
[v1.0.2] [1.19.4] Aetherial Islands v1.0.2 [DP]
by Klinbee on Oct 13, 2026
Download
## Initial Release
[v1.0.2] [1.20-1.21.1] Aetherial Islands v1.0.2 [DP]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- Trail Ruins are no longer less common
- Bamboo no longer stacks on itself
[v1.0.1+mod] [1.20-1.20.5] Aetherial Islands v1.0.1 [MOD]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- New diamond ore generation from 1.20.2 was lacking in certain biomes, making them artificially rarer
[v1.0.1] [1.20-1.21.1] Aetherial Islands v1.0.1 [DP]
by Klinbee on Oct 13, 2026
Download
- Fixes:
- New diamond ore generation from 1.20.2 was lacking in certain biomes, making them artificially rarer
[v1.0.0+mod] [1.20-1.20.4] Aetherial Islands v1.0.0 [MOD]
by Klinbee on Oct 13, 2026
Download
## Initial Release
